Please help and explain, ill give brainliest and 60 points i keep getting -7, but non of the options are -7 Please help and explain, ill give brainliest and 60 points

Write the expression as a single natural logarithm. 2 in a - 4 in y

What percent of 18 is 24? and plz explain thx.

Vikram is studying the square pyramid below. on st to find the surface area of the pyramid, in square inches, vikram wrote (33.2) (34 ikram wrote (33.2)(34.2)+43(34.2)(284) what error did vikram make? o he used the same expression for the area of all four lateral faces. he used the wrong expression to represent the area of the base of the pyramid. o he used the wrong value as the height when he found the area of the lateral faces. he used an expression for surface area that only finds the total area of three faces.